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| author | Takashi Iwai <tiwai@suse.de> | 2012-08-20 15:26:04 -0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-08-20 15:26:04 -0400 |
| commit | f0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch) | |
| tree | d4bfd9489cf4a96a55d83af20919f477a846d585 /lib/pm-notifier-error-inject.c | |
| parent | fa2f5bf09610d3c216d4c74855edbe00d636467c (diff) | |
| parent | 28c42c28309244d0b15d1b385e33429d59997679 (diff) | |
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6
A batch more bugfixes, all driver-specific and fairly small and
unremarkable in a global context. The biggest batch are for the newly
added Arizona drivers.
Diffstat (limited to 'lib/pm-notifier-error-inject.c')
| -rw-r--r-- | lib/pm-notifier-error-inject.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/pm-notifier-error-inject.c b/lib/pm-notifier-error-inject.c new file mode 100644 index 000000000000..c094b2dedc23 --- /dev/null +++ b/lib/pm-notifier-error-inject.c | |||
| @@ -0,0 +1,49 @@ | |||
| 1 | #include <linux/kernel.h> | ||
| 2 | #include <linux/module.h> | ||
| 3 | #include <linux/suspend.h> | ||
| 4 | |||
| 5 | #include "notifier-error-inject.h" | ||
| 6 | |||
| 7 | static int priority; | ||
| 8 | module_param(priority, int, 0); | ||
| 9 | MODULE_PARM_DESC(priority, "specify PM notifier priority"); | ||
| 10 | |||
| 11 | static struct notifier_err_inject pm_notifier_err_inject = { | ||
| 12 | .actions = { | ||
| 13 | { NOTIFIER_ERR_INJECT_ACTION(PM_HIBERNATION_PREPARE) }, | ||
| 14 | { NOTIFIER_ERR_INJECT_ACTION(PM_SUSPEND_PREPARE) }, | ||
| 15 | { NOTIFIER_ERR_INJECT_ACTION(PM_RESTORE_PREPARE) }, | ||
| 16 | {} | ||
| 17 | } | ||
| 18 | }; | ||
| 19 | |||
| 20 | static struct dentry *dir; | ||
| 21 | |||
| 22 | static int err_inject_init(void) | ||
| 23 | { | ||
| 24 | int err; | ||
| 25 | |||
| 26 | dir = notifier_err_inject_init("pm", notifier_err_inject_dir, | ||
| 27 | &pm_notifier_err_inject, priority); | ||
| 28 | if (IS_ERR(dir)) | ||
| 29 | return PTR_ERR(dir); | ||
| 30 | |||
| 31 | err = register_pm_notifier(&pm_notifier_err_inject.nb); | ||
| 32 | if (err) | ||
| 33 | debugfs_remove_recursive(dir); | ||
| 34 | |||
| 35 | return err; | ||
| 36 | } | ||
| 37 | |||
| 38 | static void err_inject_exit(void) | ||
| 39 | { | ||
| 40 | unregister_pm_notifier(&pm_notifier_err_inject.nb); | ||
| 41 | debugfs_remove_recursive(dir); | ||
| 42 | } | ||
| 43 | |||
| 44 | module_init(err_inject_init); | ||
| 45 | module_exit(err_inject_exit); | ||
| 46 | |||
| 47 | MODULE_DESCRIPTION("PM notifier error injection module"); | ||
| 48 | MODULE_LICENSE("GPL"); | ||
| 49 | MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>"); | ||
